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