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