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