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