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