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