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