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