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