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