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