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