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