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