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