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