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