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