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