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