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