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