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