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