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