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