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