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