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