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