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