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