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