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