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