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