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