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)(16,21,23,19)(17,20,26,22)(24,28,25,27)(30,34)(32,39)(35,42)(37,41)(2,4)(14,15)(16,23)(20,22)(24,25)(29,30,33,34)(31,35,38,42)(32,36,39,40)(37,43,41,44)(1,2)(3,4)(13,15,18,14)(16,21,23,19)(17,20,26,22)(24,27,25,28)(29,30)(31,35)(32,40)(33,34)(36,39)(37,44)(38,42)(41,43)(5,6)(7,9)(8,10)(11,12)(13,16)(14,19)(15,21)(17,25)(18,23)(20,28)(22,27)(24,26)(29,31,33,38)(30,35,34,42)(32,41,39,37)(36,44,40,43)(5,7,8,11)(6,9,10,12)(13,17)(14,20)(15,22)(16,24)(18,26)(19,27)(21,28)(23,25)(29,32)(30,36)(31,37)(33,39)(34,40)(35,43)(38,41)(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.