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