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