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