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