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