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