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