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