One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(6,7)(9,10,12,14)(11,15,16,13)(17,18)(19,24)(20,22)(21,23)(26,30)(28,31)(1,2,5,3)(4,6,8,7)(17,19,21,22)(18,20,23,24)(9,10)(11,13)(12,14)(15,16)(17,18)(19,24)(20,22)(21,23)(25,26)(27,31)(28,32)(29,30) involution — undirected(1,3,5,2)(4,6,8,7)(9,10)(11,13)(12,14)(15,16)(17,18)(19,20)(21,23)(22,24)(25,27,29,32)(26,31,30,28)(1,4)(2,6)(3,7)(5,8)(9,11,12,16)(10,13,14,15)(17,20)(18,22)(19,23)(21,24)(25,28,29,31)(26,32,30,27)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.