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