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