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