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