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