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