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