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