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