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