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