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