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