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)(19,23,29,31)(20,25,30,24)(21,28,32,26)(1,2)(3,6)(4,7)(5,8)(10,14)(11,16)(17,19,22,29)(18,23,27,31)(20,26,30,28)(21,24,32,25)(1,3)(2,5)(4,8)(6,7)(9,11)(10,12)(13,16)(14,15)(17,20,22,30)(18,24,27,25)(19,28,29,26)(21,31,32,23)(3,8)(5,6)(9,12)(10,11)(13,15)(14,16)(17,20)(18,25)(19,26)(21,23)(22,30)(24,27)(28,29)(31,32) involution — undirected(1,3)(2,6)(4,8)(5,7)(9,10)(11,12)(13,14)(15,16)(17,19)(18,23)(20,28)(21,24)(22,29)(25,32)(26,30)(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)(19,24,29,25)(20,23,30,31)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.