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