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