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