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