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