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