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