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