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