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