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