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