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