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