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