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