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