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