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