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