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