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