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