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