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