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