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