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