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