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