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