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