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