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