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