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)(11,15)(12,13)(14,16)(17,18,20,22)(19,21,23,24)(25,26,30,29)(27,32,28,31)(2,3)(6,7)(9,10,12,13)(11,14,16,15)(17,18)(19,21)(20,22)(23,24)(27,28)(31,32)(2,3)(6,7)(10,13)(14,15)(19,23)(21,24)(25,27,30,28)(26,31,29,32)(1,3,5,2)(4,7,8,6)(9,10)(11,14)(12,13)(15,16)(17,19,20,23)(18,21,22,24)(25,28,30,27)(26,32,29,31)(1,4)(2,6)(3,7)(5,8)(9,11)(10,14)(12,16)(13,15)(17,18)(19,21)(20,22)(23,24)(25,29,30,26)(27,32,28,31)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.