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