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