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