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