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