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)(19,27,29,23)(20,28,30,24)(21,25,31,32)(3,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,29)(18,23,26,27)(20,25,30,32)(21,24,31,28)(1,2)(3,5)(4,6)(7,8)(9,10,12,14)(11,13,16,15)(17,20,22,30)(18,24,26,28)(19,25,29,32)(21,23,31,27)(9,10)(11,13)(12,14)(15,16)(17,20)(18,24)(19,25)(21,27)(22,30)(23,31)(26,28)(29,32) involution — undirected(1,3)(2,5)(4,7)(6,8)(9,10)(11,13)(12,14)(15,16)(17,21,22,31)(18,25,26,32)(19,28,29,24)(20,27,30,23)(1,2)(3,5)(4,6)(7,8)(9,11)(10,13)(12,16)(14,15)(17,19)(18,23)(20,25)(21,28)(22,29)(24,31)(26,27)(30,32) 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.