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