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