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