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