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