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