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