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