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