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