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