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