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