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