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