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