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