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