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