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