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