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