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