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