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