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