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