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