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