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