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