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)(17,18,22,23)(19,25,27,20)(21,29,30,24)(26,28,31,32)(33,34)(35,40)(36,37)(38,41)(39,42)(43,47)(44,45)(46,48)(10,13)(14,16)(18,23)(20,25)(21,30)(26,31)(33,35,39,36)(34,40,42,37)(38,44,46,43)(41,45,48,47)(1,3,5,4)(2,6,8,7)(9,10,12,13)(11,14,15,16)(17,19)(18,20)(21,31)(22,27)(23,25)(24,32)(26,30)(28,29)(33,36,39,35)(34,40,42,37)(38,44,46,43)(41,47,48,45)(1,2)(3,6)(4,7)(5,8)(17,20)(18,19)(21,28)(22,25)(23,27)(24,26)(29,31)(30,32)(33,37,39,40)(34,36,42,35)(38,45,46,47)(41,44,48,43)(1,4,5,3)(2,7,8,6)(9,11)(10,14)(12,15)(13,16)(17,21,22,30)(18,24,23,29)(19,26,27,31)(20,28,25,32)(33,38)(34,41)(35,43)(36,44)(37,45)(39,46)(40,47)(42,48)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.