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