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