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