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