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