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