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