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