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