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