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