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