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