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