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)(11,15)(12,17)(14,18)(19,20)(21,22,25,28)(23,26,29,33)(24,31,32,27)(30,36,35,34)(38,39)(40,47)(44,46)(48,52)(6,10)(8,17)(11,13)(14,20)(23,29)(26,33)(30,35)(34,36)(37,38,42,39)(40,45,47,43)(41,46,49,44)(48,50,52,51)(5,6)(7,13)(8,12)(9,10)(11,15)(14,19)(16,17)(18,20)(21,23,25,29)(22,26,28,33)(24,30,32,35)(27,34,31,36)(37,39,42,38)(40,43,47,45)(41,46,49,44)(48,50,52,51)(1,2)(3,4)(5,7,9,15)(6,11,10,13)(8,14,17,20)(12,18,16,19)(21,22)(23,26)(24,27)(25,28)(29,33)(30,34)(31,32)(35,36)(37,40,42,47)(38,43,39,45)(41,48,49,52)(44,50,46,51)(5,8,9,17)(6,12,10,16)(7,14,15,20)(11,18,13,19)(21,24,25,32)(22,27,28,31)(23,30,29,35)(26,34,33,36)(37,41,42,49)(38,44,39,46)(40,48,47,52)(43,50,45,51)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.