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