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