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