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