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