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