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