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