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