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