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