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