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