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