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