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