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