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