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