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