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