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