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