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