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