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