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