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