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