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