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