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)(12,16)(13,15)(17,18)(19,22)(20,26)(21,24)(23,25)(27,32)(28,29)(30,31)(1,3,5,4)(2,6,8,7)(9,11,13,12)(10,14,15,16)(17,19,22,18)(20,28,21,30)(23,25,32,27)(24,29,26,31)(1,3,5,4)(2,7,8,6)(10,15)(14,16)(17,20)(18,24)(19,26)(21,22)(23,31)(25,28)(27,30)(29,32)(9,12,13,11)(10,16,15,14)(20,29)(21,31)(23,32)(24,30)(25,27)(26,28)(1,4,5,3)(2,6,8,7)(17,21,22,20)(18,24,19,26)(23,29,32,31)(25,28,27,30)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.