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