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