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