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)(20,26)(21,25)(22,28)(23,24)(29,32)(30,31)(33,34,39,35)(36,42,38,40)(37,41,46,43)(44,48,45,47)(1,3,7,6)(2,8,11,10)(4,13,15,12)(5,14,9,16)(18,24)(20,30)(25,27)(28,29)(33,35,39,34)(36,42,38,40)(37,41,46,43)(44,47,45,48)(1,4,7,15)(2,9,11,5)(3,12,6,13)(8,14,10,16)(17,19,23,21)(18,25,24,27)(20,28,30,29)(22,26,32,31)(33,36,39,38)(34,40,35,42)(37,44,46,45)(41,47,43,48)(1,4)(2,5)(3,13)(6,12)(7,15)(8,14)(9,11)(10,16)(17,20,23,30)(18,26,24,31)(19,29,21,28)(22,27,32,25)(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)(17,21,23,19)(18,27,24,25)(20,28,30,29)(22,26,32,31)(33,38,39,36)(34,42,35,40)(37,45,46,44)(41,48,43,47)(1,6,7,3)(2,10,11,8)(4,13,15,12)(5,14,9,16)(17,22,23,32)(18,28,24,29)(19,26,21,31)(20,25,30,27)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.