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