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