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