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