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