One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(5,6)(7,15)(8,14)(9,12)(10,13)(11,16)(17,20)(18,19)(21,22)(23,31)(24,35)(25,38)(26,30)(27,33)(28,36)(29,39)(32,45)(34,41)(37,50)(40,52)(42,51)(43,47)(44,48)(46,49)(5,7,10,18,9,17,8,16)(6,11,14,20,12,19,13,15)(21,23)(22,27,30,31)(24,32)(25,34)(26,33)(28,40,42,43)(29,41,38,44)(35,49,50,45)(36,47)(37,46)(39,48)(51,52)(6,12)(11,19)(13,14)(15,20)(21,24,25,36,26,37,39,51)(22,28,29,35,30,42,38,50)(23,32,34,47,33,46,48,52)(27,40,41,49,31,43,44,45)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.