One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(9,10,13,12)(11,15,16,14)(17,18)(19,29)(20,25)(21,26)(22,27)(23,28)(24,30)(31,32)(1,3,5,8)(2,6,4,7)(17,19,23,30)(18,24,28,29)(20,22,26,31)(21,27,25,32)(9,11,13,16)(10,14,12,15)(17,18)(19,29)(20,25)(21,26)(22,27)(23,28)(24,30)(31,32)(1,2,5,4)(3,6,8,7)(9,12,13,10)(11,14,16,15)(17,20,23,26)(18,25,28,21)(19,22,30,31)(24,32,29,27)(1,4,5,2)(3,7,8,6)(17,21,23,25)(18,26,28,20)(19,27,30,32)(22,24,31,29)(17,22)(18,27)(19,26)(20,30)(21,29)(23,31)(24,25)(28,32) involution — undirectedA 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.