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