One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(10,12)(14,16)(17,18,23,20)(19,24,21,25)(22,26,30,28)(27,31,29,32)(1,2,4,5)(3,6,7,8)(11,15)(14,16)(17,19)(18,24)(20,25)(21,23)(22,27)(26,31)(28,32)(29,30)(1,2)(3,6)(4,5)(7,8)(9,10,13,12)(11,14,15,16)(19,21)(24,25)(27,29)(31,32)(1,2)(3,6)(4,5)(7,8)(9,11,13,15)(10,14,12,16)(17,20,23,18)(19,25,21,24)(22,26,30,28)(27,31,29,32)(1,3,4,7)(2,6,5,8)(9,12,13,10)(11,16,15,14)(17,21,23,19)(18,25,20,24)(22,29,30,27)(26,32,28,31)(17,22,23,30)(18,26,20,28)(19,27,21,29)(24,31,25,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.