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