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