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