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