To use vinegar or rubbing alcohol to clean a suede purse, pour a small amount onto a clean cloth. Use just enough to make the cloth damp. Then, begin to rub the suede with the cloth to clean the suede. You may need to do several applications, depending on how dirty the purse has become
because I live in an area where lots of things are available for free, I often pick up purses/pocketbooks etc. I toss such things into the washing machine and have had no mishaps. (leather/suade etc) it depends on how much you value the item. My husband had one of those ball cap hats and it was really dirty, that got the same treatment but was soaked first. Looks great now!
See if this helps.
I've used dry abrasive pads sold at shoe stores to clean dirt and scuff marks off of suede.