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