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