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