One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5)(3,9,25)(4,8,16)(6,17,44)(7,14,35)(10,28,45)(11,32,63)(12,18,47)(13,24,38)(15,40,64)(19,49,59)(20,46,60)(21,52,72)(22,56,30)(23,39,34)(26,43,68)(27,37,31)(29,58,71)(33,53,57)(36,50,41)(42,65,74)(48,67,62)(51,73,61)(54,69,66)(55,70,75)(1,11,10,61,40)(2,7,53,6,64)(3,31,65,68,4)(5,73,25,52,37)(8,23,28,20,26)(9,48,74,21,50)(12,62,29,59,13)(14,15,56,38,71)(16,42,47,70,67)(17,39,43,57,41)(18,22,58,55,54)(19,24,32,27,51)(30,44,72,36,35)(33,60,75,66,34)(45,69,46,63,49)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.