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