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)(11,18,23,21)(12,20,16,13)(15,19,24,22)(2,6)(7,8)(11,19)(12,16)(13,20)(15,21)(18,24)(22,23) involution — undirected(1,3,5,4)(2,7,6,8)(9,11,20,19,14,23,13,22)(10,15,12,21,17,24,16,18)(1,3,5,4)(2,7,6,8)(9,12,13,10,14,16,20,17)(11,21,22,15,23,18,19,24)(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.