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