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)(11,13)(12,14)(15,16)(17,18,22,27,21,26,20,25)(19,24,28,32,29,23,30,31)(2,5)(3,7)(9,11)(10,13)(12,15)(14,16)(17,19)(18,23)(20,30)(21,29)(22,28)(24,26)(25,32)(27,31) involution — undirected(10,14)(11,15)(17,19)(18,24)(20,30)(21,29)(22,28)(23,26)(25,31)(27,32) involution — undirected(1,3,4,7)(2,6,5,8)(10,14)(13,16)(17,20,21,22)(18,25,26,27)(19,28,29,30)(23,31,24,32)(2,5)(6,8)(18,26)(19,29)(25,27)(28,30) 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.