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