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