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