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