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