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