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