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