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