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