One vertex per element, one color per generator, with an edge from x to x·s.
(6,9)(10,12)(14,19)(15,23)(17,30)(20,34)(21,37)(22,31)(25,40)(26,35)(27,43)(28,32)(33,39)(38,41) involution — undirected(1,2)(3,4)(5,6,8,9)(7,10,11,12)(13,14,18,22)(15,24,26,42)(16,21,29,39)(17,31,30,19)(20,35,34,23)(25,41,43,38)(27,44,40,36)(28,33,32,37)(2,4)(5,7,8,11)(6,10,9,12)(13,15,17,23,18,26,30,35)(14,20,19,24,22,34,31,42)(16,27,28,43,29,40,32,25)(21,38,37,44,39,41,33,36)(7,11)(10,12)(13,16,18,29)(14,21,22,39)(15,25,26,43)(17,32,30,28)(19,33,31,37)(20,36,34,44)(23,40,35,27)(24,41,42,38)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.