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