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