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