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