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)(15,26)(16,30)(17,32)(18,23)(19,25)(20,24)(21,28)(22,35)(27,39)(29,38)(31,40)(33,37)(34,42)(36,41)(43,44) involution — undirected(1,2)(3,4)(6,10)(11,12)(13,15,18,28)(14,21,23,26)(16,19,29,20)(17,33,34,31)(22,39,41,44)(24,38,25,30)(27,35,43,36)(32,40,42,37)(5,7,9,8)(6,11,10,12)(13,16,19,28,18,29,20,15)(14,21,24,30,23,26,25,38)(17,33,35,27,34,31,36,43)(22,40,32,39,41,37,42,44)(2,4)(5,8,9,7)(6,12,10,11)(13,17,19,35,18,34,20,36)(14,22,24,32,23,41,25,42)(15,27,16,31,28,43,29,33)(21,37,30,44,26,40,38,39)(6,10)(11,12)(14,23)(17,34)(21,26)(24,25)(27,43)(30,38)(31,33)(35,36) 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.