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