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