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