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)(18,24)(19,26)(21,22)(25,28)(27,32)(29,30)(1,3,7,14)(2,8,4,12)(5,13,6,15)(9,16,10,11)(17,18)(19,21)(20,25)(22,24)(23,26)(27,30)(28,29)(31,32)(1,4,7,2)(3,12,14,8)(5,9,6,10)(11,13,16,15)(17,19,23,24)(18,21,26,22)(20,28,31,27)(25,29,32,30)(1,5,7,6)(2,9,4,10)(3,13,14,15)(8,16,12,11)(17,20,23,31)(18,25,26,32)(19,27,24,28)(21,30,22,29)(1,5,7,6)(2,10,4,9)(3,13,14,15)(8,11,12,16)(17,21,23,22)(18,19,26,24)(20,29,31,30)(25,28,32,27)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.