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