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