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