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