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