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