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