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