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