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