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