One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,7,8,6)(9,10)(11,16)(12,26)(13,20)(14,19)(15,21)(17,28)(18,33)(22,49)(23,37)(24,40)(25,39)(27,57)(29,58)(30,43)(31,44)(32,47)(34,42)(35,48)(36,51)(38,52)(41,56)(45,61)(46,62)(50,66)(53,67)(54,65)(55,70)(59,68)(60,69)(63,71)(64,72)(2,5)(6,7)(9,11,14,25,33,52,61,59,15,23,35,53,13,24,32,55)(10,16,19,39,18,38,45,68,21,37,48,67,20,40,47,70)(12,27,29,54,31,63,64,50,30,60,62,51,28,56,34,22)(17,41,42,49,26,57,58,65,44,71,72,66,43,69,46,36)(9,12,15,30)(10,17,21,44)(11,22,23,50)(13,31,33,28)(14,34,35,64)(16,36,37,65)(18,43,20,26)(19,46,48,58)(24,54,52,51)(25,56,53,63)(27,59,60,55)(29,61,62,32)(38,66,40,49)(39,69,67,57)(41,68,71,70)(42,45,72,47)(1,3,4,8)(2,6,5,7)(11,23)(16,37)(22,50)(24,52)(25,53)(27,60)(36,65)(38,40)(39,67)(41,71)(49,66)(51,54)(55,59)(56,63)(57,69)(68,70)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.