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