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