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