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