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