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