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