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