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