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