One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(6,8)(9,10)(11,13)(12,20)(14,17)(15,18)(16,21)(19,22)(23,24) involution — undirected(2,6)(5,8)(9,10,14,11,15,18,13,17)(12,16,23,19,22,24,21,20)(1,2,3,5,4,6,7,8)(9,11,14,18,15,17,13,10)(12,20,23,16,22,19,21,24)(2,6)(5,8)(9,12)(10,16)(11,19)(13,21)(14,23)(15,22)(17,20)(18,24) 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.