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)(23,28,26,39)(24,34,36,41)(25,30,38,46)(29,40,44,32)(33,42,37,45)(35,48,50,51)(43,49,52,47)(1,2)(3,4)(5,7)(6,11)(8,16)(9,18)(10,17)(12,19)(13,15)(14,20)(21,23,27,26)(22,28,31,39)(24,32,36,40)(25,37,38,33)(29,41,44,34)(30,45,46,42)(35,49,50,47)(43,48,52,51)(2,4)(5,8,10,9)(6,12,13,14)(7,16,17,18)(11,19,15,20)(21,24)(22,29)(23,32)(25,35)(26,40)(27,36)(28,41)(30,43)(31,44)(33,47)(34,39)(37,49)(38,50)(42,51)(45,48)(46,52)(6,13)(11,15)(12,14)(19,20)(21,25,27,38)(22,30,31,46)(23,33,26,37)(24,35,36,50)(28,42,39,45)(29,43,44,52)(32,47,40,49)(34,48,41,51)(2,4)(5,9,10,8)(6,14,13,12)(7,16,17,18)(11,19,15,20)(24,36)(25,38)(29,44)(30,46)(32,40)(33,37)(34,41)(42,45)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.