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