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