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