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