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