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