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)(36,44)(40,47)(43,48)(45,46)(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)(35,39)(36,40)(37,41)(38,42)(43,46)(44,47)(45,48)(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)(34,37)(36,43)(38,41)(39,42)(40,45)(44,48)(46,47)(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)(33,35)(34,39)(36,43)(37,42)(38,41)(40,46)(44,48)(45,47)(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)(33,36,38,44)(34,40,42,47)(35,43,41,48)(37,45,39,46)(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)(33,37,38,39)(34,41,42,35)(36,45,44,46)(40,48,47,43)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.