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