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