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