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