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