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