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