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