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