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