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