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