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