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