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