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