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