First line of defense is of course: use less of it, lower the water temperature und use more water to dilute it.
The fragrance is usually from mostly quite volatile essential oils and similar components.
Having bought this stuff in bulk lends to experimentation:
Put at first a limited, small amount of the liquid soap into a heat-proof container and that into a kettle or pot of water you bring to boil. The essential oils and the water in the liquid will evaporate to a degree.
To prevent the mass getting ever more viscous and hard, stir it and add occasionally a little bit of distilled water to keep it at roughly the same level of liquidity. After quite a short while the smell should be gone from the liquid. But of course its now in the air around your oven/boiler, so do that only in well ventilated places!
Try the result out afterwards in small amounts. I do not know that brand, and maybe God doesn't know what else they put into that stuff. There may be unwanted reaction products occuring or accumulating? Re-check the label of ingredients before attempting this. Treat any additive apart from 'detergent' that's listed on the box with the utmost suspicion and look its properties up!
If it was just ordinary soap with "smell", you're good to try it out. With significantly less smell.
If that worked out for you, convert the rest into tolerable soap.