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