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