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