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