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