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