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