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)(11,12)(13,16)(14,15)(19,23)(20,24)(1,3,5,4)(2,6,7,8)(9,11)(10,13)(12,14)(15,16)(17,18,21,22)(19,24,23,20)(25,26,28,30)(27,29,31,32)(2,7)(6,8)(9,12,15,13)(10,16,14,11)(17,19)(18,20)(21,23)(22,24)(25,26)(27,29)(28,30)(31,32)(1,4,5,3)(2,8,7,6)(9,13,15,12)(10,16,14,11)(17,18)(19,20)(21,22)(23,24)(1,2)(3,6)(4,8)(5,7)(9,14,15,10)(11,12,16,13)(17,20)(18,19)(21,24)(22,23)(25,27,28,31)(26,29,30,32)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.