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