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