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