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