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