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