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