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