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