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