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