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