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