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