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