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