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