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