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