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