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