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)(19,25,28,32)(21,29,31,24)(23,30,26,27)(33,34,38,42)(35,43,45,48)(36,41,37,40)(39,46,47,44)(1,3,7,14)(2,8,4,11)(5,13,6,12)(9,16,15,10)(17,19)(18,23)(20,26)(21,30)(22,28)(24,32)(25,29)(27,31)(1,4,7,2)(3,11,14,8)(5,9,6,15)(10,13,16,12)(17,20,22,18)(19,26,28,23)(21,24,31,29)(25,30,32,27)(33,35)(34,39)(36,44)(37,46)(38,45)(40,43)(41,48)(42,47)(1,5,7,6)(2,9,4,15)(3,12,14,13)(8,10,11,16)(18,20)(23,26)(24,29)(25,32)(33,36,38,37)(34,40,42,41)(35,44,45,46)(39,43,47,48)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.