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