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