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