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