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