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