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