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