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