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