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