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