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