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