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